diff --git a/backend/Dockerfile b/backend/Dockerfile
index 7fe7d5f..ec17745 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -9,6 +9,8 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     g++ \
     python3-dev \
     build-essential \
+    linux-libc-dev \
+    libc6-dev \
     && rm -rf /var/lib/apt/lists/*
 
 # Copy requirements and install dependencies
diff --git a/backend/requirements.txt b/backend/requirements.txt
index 8361db3..5646828 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -7,7 +7,7 @@ pydantic-settings==2.1.0
 python-jose[cryptography]==3.3.0
 passlib[bcrypt]==1.7.4
 python-multipart==0.0.9
-psutil==6.1.0
+psutil==6.1.1
 aiosqlite==0.19.0
 websockets==12.0
 python-dotenv==1.0.1
diff --git a/frontend/lib/utils.ts b/frontend/lib/utils.ts
new file mode 100644
index 0000000..d084cca
--- /dev/null
+++ b/frontend/lib/utils.ts
@@ -0,0 +1,6 @@
+import { type ClassValue, clsx } from "clsx"
+import { twMerge } from "tailwind-merge"
+
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs))
+}